Energy Storage Vendor Database
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Welcome to the Electric Power Research Institute's Energy Storage Vendor Database (ESVD), a snapshot of the present landscape of the energy storage industry. The ESVD is meant to provide a surface-level understanding of the different technology developers in the space, with their technology types and company status being of primary interest. This database can be quickly built upon to add future energy storage technologies and update the status of those already on the list.
We believe this resource can bring value to EPRI researchers, members, and the general public by providing a complete list of energy storage developers. As this list is meant to represent the extent of EPRI's knowledge of the players within the energy storage space, it is in our interest to include every entity working on energy storage technologies in this database. If there is an energy storage technology that is not on this list, you can contact Kelyn Wood at kwood@epri.com to add it.
| Vendor | Technology Category | Technology Type | Status | ESTD Link |
|---|---|---|---|---|
| 1414 Degrees (website) | Thermal | Phase Change Material | active | Published |
| 247 Solar (website) | Thermal | Ceramic | active | Published |
| Accelera (website) | Chemical | Hydrogen | active | Published |
| Active Power (website) | Mechanical | Flywheel | active | |
| Adena Power (website) | Electrochemical | Sodium Ion | active | Published |
| Advance Rail Energy Storage (ARES) (website) | Mechanical | Gravity | active | Published |
| Advanced Battery Concepts (website) | Electrochemical | Lead Acid | active | |
| Aesir Technologies (website) | Electrochemical | Nickel Zinc | active | |
| Aestus Energy Storage (website) | Thermal | Ceramic | active | Published |
| Airlight Energy | Mechanical | Compressed Air | dormant | |
| Airthium (website) | Thermal | Heat Pump | active | Published |
| ALACAES (website) | Mechanical | Compressed Air | dormant | |
| Alstom | Mechanical | Compressed Air | dormant | |
| Altiro (website) | Thermochemical | Metal Oxide | active | |
| AlumaPower Corporation (website) | Chemical | Aluminum Fuel | active | |
| Alumina Energy | Thermal | Ceramic | active | Published |
| Amber Kinetics (website) | Mechanical | Flywheel | Published | |
| Ambri (website) | Electrochemical | Liquid Metal | active | Published |
| America Clean Energy Group (website) | Electrical | Supercapacitor | active | |
| Amogy | Chemical | Ammonia Production | ||
| Amplified Pumped Storage (AMPS) (website) | Mechanical | Pumped Storage Hydro | active | |
| Ansaldo Energia (website) | Chemical | Hydrogen | ||
| Antora Energy (website) | Thermal | Graphite | active | Published |
| Apex Compressed Air | Mechanical | Compressed Air | Published | |
| Aqua-Cell Energy (website) | Electrochemical | Flow Battery | active | |
| Aquanamic | Mechanical | Pumped Storage Hydro | active | Published |
| Atlas Power Technologies | Electrostatic | Supercapacitor | active | Published |
| Augwind AirBattery (website) | Mechanical | Compressed Air | active | Published |
| Avanti | Electrochemical | Liquid Metal | active | |
| Azelio | Thermal | Aluminum Alloy | dormant | Published |
| Basquevolt (website) | Electrochemical | Lithium Ion | active | |
| Batteryloop (website) | Electrochemical | Lithium Ion | active | |
| Beacon | Mechanical | Flywheel | Published | |
| Bechtel (website) | ||||
| BESSt (website) | Electrochemical | Zinc Polyiodide | active | |
| BgtL, Inc. | Thermal | Phase Change Material | Published | |
| Bi-Polar Advanced Lead Acid | Electrochemical | Lead Acid | Published | |
| Bloom Energy (website) | Chemical | Hydrogen | ||
| BMW | Chemical | Hydrogen | ||
| BNE | Mechanical | Flywheel | ||
| Brayton Energy (website) | Thermal | Pumped Thermal | active | |
| Brayton Energy (Sandewirm) | Thermal | Solid Materials | active | |
| Breeze (website) | Mechanical | Compressed Air | active | Published |
| Brenmiller Energy (website) | Thermal | Solid Materials | active | Published |
| Bucky Battery (website) | Thermochemical | metal hydride | ||
| BuildToZero (website) | Thermal | Phase Change Material | ||
| Cache Energy (website) | Thermochemical | Salt Hydrates | active | Published |
| Cadenza Innovation, Inc. (website) | Electrochemical | Lithium Ion | active | Published |
| Caldera (website) | Thermal | Solid Materials | active | |
| Calectra (website) | Thermal | Solid Materials | active | |
| Calmac (website) | Thermal | Ice Creation | active | |
| Calnetix Technologies (website) | Mechanical | Flywheel | ||
| Capattery (website) | Electrochemical | Graphene | active | |
| CapyBara Energy (website) | Electrical | Supercapacitor | active | |
| CarbeniumTec (website) | Electrochemical | Organic Flow | active | Published |
| Cavern Energy (website) | Mechanical | Pumped Storage Hydro | active | |
| CCT Energy Storage | Thermal | Phase Change Material | ||
| Cellcius (website) | Thermochemical | Potassium Carbonate | active | |
| CellCube (website) | Electrochemical | Vanadium Flow | active | |
| Ceres Power | Chemical | Hydrogen | ||
| Cheesecake Energy (website) | Mechanical | Compressed Air | Published | |
| Chiyoda Corp (website) | Chemical | Hydrogen | ||
| CleanTech Geomechanics (WellStore) (website) | Mechanical | Compressed Air | ||
| CMBlu (website) | Electrochemical | Organic Flow | active | Published |
| Coordination Chemistry Flow Battery | Electrochemical | Flow | Published | |
| Corre Energy (website) | Mechanical | Compressed Air | ||
| Coulomb Technology (website) | Electrochemical | Zinc-based | active | |
| Cryogel | Thermal | Ice Creation | ||
| Cryostone (website) | Mechainical | Liquid Air | active | |
| CryoStore Power (website) | Mechanical | Liquid Air | active | |
| DarmokTech | Electrochemical | |||
| E2S Power (website) | Thermal | Phase Change Material | active | Published |
| Earthbridge Energy (website) | Thermal | Geothermal | active | |
| EarthEn (website) | Thermal | Molten Salt | active | Published |
| Echogen ETES (website) | Thermal | Solid materials | active | Published |
| Eco-Tech Ceram (website) | Thermal | Ceramic | ||
| EcoTherm Technologies (website) | Thermal | Phase Change Material | active | |
| Electrified Thermal Solutions (JouleHive) (website) | Thermal | Solid Materials | active | Published |
| Element 16 | Thermal | Molten Sulfur | active | Published |
| Elstor (website) | Thermal | TBD | active | |
| Elyte (website) | Chemical | Hydrogen | ||
| Emtel (website) | Electrical | Supercapacitor | Published | |
| Endua (website) | Chemical | Hydrogen | active | |
| Energy Bank (website) | Mechanical | Gravity | active | |
| Energy Dome (website) | Mechanical | Compressed Air | active | Published |
| Energy Internet Corporation (website) | Mechanical | Compressed Air | active | |
| Energy Vault (website) | Mechanical | Gravity | active | Published |
| EnergyNest (website) | Thermal | Solid Materials | active | Published |
| EnerVenue (website) | Electrochemical | Metal-Hydrogen | active | Published |
| Enlighten Innovations (website) | Electrochemical | Sodium Sulfur | active | Published |
| Enzinc Inc. (website) | Electrochemical | Zinc-based | active | |
| Eos Energy Enterprises, Inc. (website) | Electrochemical | Zinc-based | active | Published |
| ErgoSup (website) | Chemical | Hydrogen | ||
| ESS, Inc. (website) | Electrochemical | Iron Flow | active | Published |
| ETI | Thermal | Solid Materials | dormant | |
| EticaAG (website) | Electrochemical | Lithium Ion | active | |
| Evyon (website) | Electrochemical | Lithium Ion | active | |
| Exa Energy (website) | Mechanical | Compressed Air | active | |
| Exowatt (website) | Thermal | active | ||
| Expansion Energy (website) | Mechanical | Liquid Air | active | Published |
| Fervo Energy (website) | Thermal | Geothermal | active | |
| FeX Energy (website) | Thermal | Metal Oxide | active | |
| FLASC (website) | Mechanical | Pumped Storage Hydro | ||
| Form Energy (website) | Electrochemical | Metal-Air | active | Published |
| Fourth Power (website) | Thermal | Molten Tin | active | Published |
| FuelX Innovation | Chemical | Hydrogen | ||
| FZSoNick | Electrochemical | Sodium Nickel | active | |
| GCX Compressed Air | Mechanical | Compressed Air | dormant | Published |
| Gelion (website) | Electrochemical | Zinc-based | active | Published |
| Geo2Watts (website) | Thermal | Geothermal | active | |
| Geyser Batteries (website) | Electrochemical | Activated Carbon | ||
| GKN Hydrogen (website) | Chemical | Hydrogen | active | |
| Graphite Energy (website) | Thermal | Graphite | active | |
| Gravient (website) | Mechanical | Gravity | active | Published |
| Gravitricity (website) | Mechanical | Gravity | dormant | Published |
| Gravity Power (website) | Mechanical | Gravity | Published | |
| Green Gravity (website) | Mechanical | Gravity | ||
| H2 Energy Now (website) | Chemical | Hydrogen | active | |
| H2Go Power (website) | Chemical | Hydrogen | ||
| HeatVentors (website) | Thermal | Phase Change Material | ||
| Heindl Energy - Gravity Storage (website) | Mechanical | Gravity | ||
| Helix Power | Mechanical | Flywheel | Published | |
| Highview Power | Mechanical | Liquid Air | active | Published |
| Hitec Salt | Thermal | Molten Salt | ||
| Holtec Green Boiler (website) | Thermal | Molten Salt | Published | |
| Humpback Hydro (website) | Mechanical | Pumped Storage Hydro | active | |
| Hydrostor | Mechanical | Compressed Air | active | Published |
| Hyme Energy (website) | Thermal | Molten Salt | dormant | Published |
| Hyperlight Energy | Thermal | Geothermal | dormant | |
| i-TES (website) | Thermal | Phase Change Material | active | |
| Ice Energy | Thermal | Ice Creation | dormant | |
| Industrial Power Response (website) | Mechanical | Flywheel | ||
| Inlyte Energy (website) | Electrochemical | Iron-Sodium | active | Published |
| Invinity (website) | Electrochemical | Vanadium Flow | active | Published |
| ION Storage Systems (website) | Electrochemical | Lithium Solid State | ||
| Isentropic Pumped Heat | Thermal | Solid Materials | dormant | Published |
| ITM Power | Chemical | Hydrogen | Published | |
| IUPUI | Chemical | Hydrogen | ||
| Johnson Energy Storage (website) | Electrochemical | Lithium Solid State | ||
| Karman Underwater Spheres | Mechanical | Gravity | dormant | Published |
| Kemiwatt (website) | Electrochemical | Organic Redox Flow | active | |
| Kinetic Traction Systems | Mechanical | Flywheel | ||
| KineticCore Solutions (website) | Mechanical | Flywheel | active | |
| KraftBlock (website) | Thermal | Solid materials | Published | |
| Kyoto Group (website) | Thermal | Molten Salt | active | Published |
| Largo (website) | Electrochemical | Vanadium Flow | active | |
| LAVO (website) | Electrochemical | Lithium Ion | active | |
| Lehigh Thermal Battery | Thermal | Solid materials | Published | |
| Lift Energy Storage Technology (LEST) - IIASA (website) | Mechanical | Gravity | ||
| Lift Renewable Energy | Mechanical | Gravity | ||
| LightSail Energy | Mechanical | Compressed Air | dormant | Published |
| Lina Energy (website) | Electrochemical | Lithium Ion | active | |
| Lockheed Martin (website) | Electrochemical | Flow | dormant | |
| Lumenion GmbH | Thermal | Solid materials | Published | |
| Magaldi | Thermal | Solid materials | active | Published |
| Magnum Development | Mechanical | Compressed Air | ||
| Malta | Thermal | Molten Salt | active | Published |
| MGA Thermal | Thermal | Phase Change Material | Published | |
| Michaels Energy (website) | Thermal | Phase Change Material | active | |
| Mitsubishi Power (website) | Chemical | Hydrogen | active | |
| Molten Salt Thermal | Thermal | Molten Salt | Published | |
| MOST - Chalmers U | Chemical | fulvalene diruthenium | Published | |
| NADINE (website) | Thermal | Molten Salt | ||
| National Grid (UK) | Chemical | Hydrogen | ||
| Natron (website) | Electrochemical | Sodium Ion | dormant | |
| Nel Hydrogen (website) | Chemical | Hydrogen | ||
| NerG Solutions (website) | Mechanical | Pumped Storage Hydro | active | |
| NETenergy (website) | Thermal | Phase change material | ||
| NGK (website) | Electrochemical | Sodium Sulfur | dormant | Published |
| Nightfall Energy (website) | Mechanical | Pumped Storage Hydro | active | |
| Noon Energy | Chemical | Carbon-oxygen battery | active | Published |
| Northvolt (website) | Electrochemical | Lithium Ion | active | |
| Nostromo Energy (website) | Thermal | Ice Creation | ||
| Nrgtek Inc. (website) | Electrochemical | Sodium Ion | active | |
| Nuvation Energy (website) | Electrochemical | Lithium Ion | active | Published |
| Oceangrazer (website) | Mechanical | Pumped Storage Hydro | active | |
| OceanHydro Omni (website) | Mechanical | Gravity | ||
| OCOchem (website) | Chemical | Organic Fuels | active | |
| Omnes Energy | Mechanical | Flywheel | active | Published |
| ORE Energy (website) | Electrochemical | Metal-Air | active | |
| Otoro Energy | Electrochemical | Flow | active | Published |
| OXTO Energy | Mechanical | Flywheel | active | Published |
| Peak Energy (website) | Electrochemical | Sodium Ion | active | Published |
| Phelas (website) | Mechanical | Liquid Air | ||
| Phenogy (website) | Electrochemical | Sodium Ion | active | |
| Phinergy (website) | Electrochemical | Metal-Air | active | Published |
| PHOS global (website) | Mechanical | Flywheel | Published | |
| Photon Vault (website) | Thermal | Pumped Heat | active | |
| Piller (website) | Mechanical | Flywheel | ||
| Pintail Power Liquid Air (website) | Thermal | Cryogenic | active | Published |
| Pintail Power Liquid Salt (website) | Thermal | Molten Salt | active | Published |
| Plug Power (website) | Chemical | Hydrogen | ||
| Polar Night Energy (website) | Thermal | Solid Materials | active | Published |
| PolyJoule | Electrochemical | Conductive Polymer | active | Published |
| Premier Resource Management | Thermal | Geothermal | active | |
| Qnetic (website) | Mechanical | Flywheel | active | |
| Quantumscape (website) | Electrochemical | Lithium Ion | active | |
| Quidnet Energy | Mechanical | Pumped Storage Hydro | active | Published |
| Quino Energy (website) | Electrochemical | Organic Flow Batteries | active | |
| QuinteQ | Mechanical | Flywheel | active | Published |
| RayGen (website) | Thermal | Pumped Thermal | active | Published |
| Redflow | Electrochemical | Zinc-Bromine Flow | closed | Published |
| RedoxBlox | Thermochemical | Metal Oxide | active | Published |
| Renewable Iron Fuel Technology (RIFT) (website) | Thermochemical | Metal Oxide | active | |
| Renewell Energy (website) | Mechanical | Gravity | active | Published |
| Reverion (website) | Chemical | Hydrogen or Methane | active | |
| Revterra (website) | Mechanical | Flywheel | Published | |
| Rheem | Thermal | hot water storage | ||
| RheEnergise (website) | Mechanical | Pumped Storage Hydro | active | Published |
| Rondo Energy (website) | Thermal | Solid materials | active | Published |
| Ryken Power (website) | Electrochemical | active | ||
| Saft (website) | Electrochemical | Lithium Ion | active | |
| Sage Geosystems (website) | Thermal | Geothermal | active | Published |
| SaltX | Thermochemical | Salt Hydrates | active | Published |
| Sandia | Chemical | Hydrogen | ||
| SandTES | Thermal | Solid materials | Published | |
| SEITec HICAES (website) | Mechanical | Compressed Air | active | |
| Siemens (SHARK) | Thermal | Pumped Thermal | pending | |
| Siemens Energy CAES (website) | Mechanical | Compressed Air | active | Published |
| Siemens Gamesa | Thermal | Solid Materials | dormant | Published |
| Siemens Germany | Chemical | Hydrogen | ||
| Siemens UK | Chemical | Ammonia Production | ||
| Silbat (website) | Thermal | Molten Silicon | active | |
| SinkFloatSolutions (website) | Mechanical | Gravity | ||
| Sizable Energy (website) | Mechanical | Pumped Storage Hydro | active | |
| Skeleton Technologies (website) | Electrochemical | active | ||
| Skibo Energy (website) | Thermal | Solid materials | active | Published |
| SLAC | Chemical | Synthetic Natural Gas | ||
| SolarReserve | Thermal | Molten salt | dormant | |
| Solid Energies (website) | Electrochemical | Lithium Silicon Polymer Oxide | active | |
| Solid Power, Inc. (website) | Electrochemical | Lithium Ion | active | Published |
| Sorbiforce (website) | Electrochemical | Zinc-Bromine Flow | active | |
| Sperra (website) | Mechanical | Pumped Storage Hydro | active | Published |
| SpringCycle Energy (website) | Thermochemical | Iron Oxide | active | |
| SRI Thermochemical | Thermochemical | Salt Carbonates | Published | |
| Starfire Energy (website) | Chemical | Ammonia Production | active | |
| StarRotor (website) | Thermal | Pumped Thermal | active | |
| Stash Energy (website) | Thermal | Phase change material | ||
| Steffes (website) | Thermal | Ceramic | ||
| Sthyr Energy (website) | Electrochemical | Zinc Air | active | |
| Stiesdal | Thermal | Solid Materials | Published | |
| Storage Drop (website) | Mechanical | Compressed Air | Published | |
| Storelectric Compressed Air | Mechanical | Compressed Air | Published | |
| Stornetic | Mechanical | Flywheel | Published | |
| Storworks (formally Bright Energy) (website) | Thermal | Solid Materials | active | Published |
| Sumitomo (website) | Electrochemical | Vanadium Flow | active | |
| Sunamp (website) | Thermal | Phase Change Material | ||
| Sunfire (website) | Chemical | Hydrogen | active | |
| Suntrain (website) | Electrochemical | Lithium Ion | active | |
| Surface Hydrokinetic Turbines Energy Management Unit (website) | Mechanical | Pumped Storage Hydro | active | |
| Synchrostor (website) | Thermal | Pumped Thermal | active | Published |
| TechnipFMC (website) | Chemical | Hydrogen | active | |
| Temporal Power | Mechanical | Flywheel | dormant | |
| Teragen Energy (website) | Chemical | Hydrogen | active | |
| Teraloop (website) | Mechanical | Flywheel | ||
| Terrament (website) | Mechanical | Gravity | Published | |
| TEXEL Energy Storage ([Home - TEXEL (texeles.com) website]) | Chemical | Hydrogen | active | Published |
| THEMES LLC (website) | Mechanical | Compressed Air | active | |
| TILOS (website) | Thermal | Molten Salt | ||
| TORC (website) | Thermal | Phase Change Material | active | |
| Tu Wien Tuw (website) | Thermal | Fluidized Bed | active | |
| Underground Energy (website) | Thermal | Geothermal | active | |
| UniEnergy Technologies (website) | Electrochemical | Vanadium Flow | dormant | |
| Upthermo | Electrochemical | Redux Flow | active | |
| Urban Electric Power (website) | Electrochemical | Zinc-based | active | Published |
| Viking Cold Solutions (website) | Thermal | Phase Change Material | active | |
| Viridi Parente, Inc. (website) | Electrochemical | Lithium Ion | active | Published |
| VoltStorage (website) | Electrochemical | Redox Flow | dormant | |
| Voya (website) | Thermochemical | Metal Fuel | active | |
| Vycon (website) | Mechanical | Flywheel | active | |
| Westinghouse (website) | Thermal | Pumped Thermal | active | Published |
| WindTP (website) | Thermal | Pumped Thermal | active | |
| XL Batteries (website) | Electrochemical | Organic Flow Batteries | active | |
| Yotta Energy (website) | Electrochemical | Battery Management | active | |
| ZAE Bayern ([ZAE Bayern (zae-bayern.de) website]) | Thermal | Phase change material | active | |
| Zinc8 (website) | Electrochemical | Metal-Air | dormant | |
| ZincFive (website) | Electrochemical | Nickel-Zinc | active | Published |